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    <h1>hello world<h1>
            <h1>这是一个主页</h1>
            <!-- <h1>hello world<h1>
        <h1>hello world<h1>
            <h1>hello world<h1>
                <h1>hello world<h1>
                    <h1>hello world<h1>
                        <h1>你是一个好人<h1> -->

            <a href="https://www.baidu.com/">百度</a>
            <a href="http://120.46.65.1:8080/x/y/test.html">第二章</a>
            <a href="http://120.46.65.1:8080/a/b/hello.html">第3章</a>
            <img src="/image/1.jpg" alt="这是一张图片" width="1000" height="600"> <!-- 浏览器根据src自动发起二次请求 -->
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